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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS Vishay TA6F27CAHM3/H TA6F27CAHM3/H Vishay 1: $1.24 3,284In Stock New Product	Mfr. Part No. TA6F27CAHM3/H Mouser Part No 78-TA6F27CAHM3/H New Product	Vishay	ESD Protection Diodes / TVS Diodes 600W,27V 5%, SlimSMA BIDIR TVS Learn More about Vishay semi ta6fxxca par tvs	Datasheet	3,284In Stock	Cut Tape $1.24 $0.772 $0.505 $0.381 Reel $0.317 View $0.345 $0.243 $0.239	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN33C2-03GHE3A08 Vishay 1: $0.802 14,600In Stock New Product	Mfr. Part No. VCAN33C2-03GHE3A08 Mouser Part No 78-VCAN33C2-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	14,600In Stock	Cut Tape $0.802 $0.50 $0.32 $0.238 Reel $0.166 View $0.193 $0.163 $0.139 $0.118	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A Vishay VESD26D1-HD1HG3-08 VESD26D1-HD1HG3-08 Vishay 1: $0.707 9,750In Stock 10,000Expected 23/11/2026 New Product	Mfr. Part No. VESD26D1-HD1HG3-08 Mouser Part No 78-VESD26D1-HD1H3-08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A		9,750In Stock 10,000Expected 23/11/2026	Cut Tape $0.707 $0.317 $0.241 $0.201 Reel $0.101 View $0.177 $0.174 $0.091	Min.: 1 Mult.: 1 : 10,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v B88069X4231T502 TDK 1: $2.57 766In Stock New Product	Mfr. Part No. B88069X4231T502 Mouser Part No 871-B88069X4231T502 New Product	TDK	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v Learn More about TDK epcos b88069x surge arresters	Datasheet	766In Stock	Cut Tape $2.57 $2.16 $1.74 $1.51 Reel $1.23 View $1.46 $1.18 $1.11 $0.968	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV AQ3118-02JTG Littelfuse 1: $1.82 1,948In Stock New Product	Mfr. Part No. AQ3118-02JTG Mouser Part No 576-AQ3118-02JTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV Learn More about Littelfuse aq3118 02jtg tvs diode array	Datasheet	1,948In Stock	Cut Tape $1.82 $1.14 $0.748 $0.578 $0.491 Reel $0.408 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Zen TVS 600W 51V BI SOD-123FL TR13 SZSMF6L51CAT3G Littelfuse 1: $1.39 4,750In Stock New Product	Mfr. Part No. SZSMF6L51CAT3G Mouser Part No 576-SZSMF6L51CAT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 51V BI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		4,750In Stock	Cut Tape $1.39 $0.876 $0.559 $0.418 Reel $0.245 View $0.337 $0.291 $0.208 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V SDD32C36L01-LV YAGEO 1: $0.517 18,559In Stock New Product	Mfr. Part No. SDD32C36L01-LV Mouser Part No 603-SDD32C36L01-LV New Product	YAGEO	ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V	Datasheet	18,559In Stock	Cut Tape $0.517 $0.355 $0.174 $0.146 Reel $0.087 View $0.101 $0.083 $0.073 $0.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS Vishay TA6F30CAHM3/H TA6F30CAHM3/H Vishay 1: $1.24 2,305In Stock New Product	Mfr. Part No. TA6F30CAHM3/H Mouser Part No 78-TA6F30CAHM3/H New Product	Vishay	ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS Learn More about Vishay semi ta6fxxca par tvs	Datasheet	2,305In Stock	Cut Tape $1.24 $0.639 $0.505 $0.381 Reel $0.272 View $0.366 $0.271 $0.243 $0.239	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A Vishay VESD29D1-HD1HG3-08 VESD29D1-HD1HG3-08 Vishay 1: $0.707 9,750In Stock 10,000Expected 23/11/2026 New Product	Mfr. Part No. VESD29D1-HD1HG3-08 Mouser Part No 78-VESD29D1-HD1H3-08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A		9,750In Stock 10,000Expected 23/11/2026	Cut Tape $0.707 $0.317 $0.241 $0.201 Reel $0.101 View $0.177 $0.174 $0.091	Min.: 1 Mult.: 1 : 10,000
Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 1A 1180-01-1A E-T-A 1: $37.21 1,276In Stock	Mfr. Part No. 1180-01-1A Mouser Part No 457-1180-01-1A	E-T-A	Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 1A Learn More about E-T-A e t a 1180 circuit breakers	Datasheet	1,276In Stock	$37.21 $28.40 $26.48 $22.94 View $21.11 $19.73 $18.56 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA216CA Littelfuse 1: $41.47 765In Stock	Mfr. Part No. 30KPA216CA Mouser Part No 576-30KPA216CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	765In Stock	Cut Tape $41.47 $30.31 $29.13 $24.72 Reel $24.71 Quote Quote	Min.: 1 Mult.: 1 : 800
Circuit Breakers TCP 4 AMPS 0712259 Phoenix Contact 1: $23.51 1,361In Stock	Mfr. Part No. 0712259 Mouser Part No 651-0712259	Phoenix Contact	Circuit Breakers TCP 4 AMPS Learn More about Phoenix Contact tcp thermal circuit breakers	Datasheet	1,361In Stock	$23.51	Min.: 1 Mult.: 1
Circuit Breakers CBMC E4 24DC/1-4A+ IOL 2910410 Phoenix Contact 1: $224.40 85In Stock	Mfr. Part No. 2910410 Mouser Part No 651-2910410	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-4A+ IOL Learn More about Phoenix Contact cbmc io link	Datasheet	85In Stock	$224.40	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD 20V BI PGB2010201KR-15NR Littelfuse 1: $1.67 15,000In Stock	Mfr. Part No. PGB2010201KR-15NR Mouser Part No 576-PGB2010201KR15NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 20V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15,000In Stock	Cut Tape $1.67 $0.772 $0.684 $0.529 View Reel $0.301 $0.488 $0.447 $0.434 $0.302 $0.301	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS SP4338-02WTG Littelfuse 1: $1.01 60,258In Stock	Mfr. Part No. SP4338-02WTG Mouser Part No 576-SP4338-02WTG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS Learn More about Littelfuse sp4338 02wtg tvs	Datasheet	60,258In Stock	Cut Tape $1.01 $0.454 $0.40 $0.303 View Reel $0.166 $0.276 $0.272 $0.166 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1206 high-current met-foil. 12A SF-1206HH1200R-2 Bourns 1: $1.03 10,782In Stock	Mfr. Part No. SF-1206HH1200R-2 Mouser Part No 652-SF-1206HH1200R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 12A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	10,782In Stock	Cut Tape $1.03 $0.821 $0.692 $0.608 Reel $0.427 View $0.547 $0.505 $0.465 $0.384 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors 10KOHM 2% 3988K LEAD FREE B57850T0103G000 TDK 1: $6.22 5,967In Stock	Mfr. Part No. B57850T0103G000 Mouser Part No 871-B57850T103G000	TDK	NTC (Negative Temperature Coefficient) Thermistors 10KOHM 2% 3988K LEAD FREE Learn More about TDK epcos t850 ntc thermistors	Datasheet	5,967In Stock	$6.22 $5.58 $5.33 $5.05 View $4.86 $4.68 $4.32 $4.19	Min.: 1 Mult.: 1
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz 3401.01.A HUBER+SUHNER 1: $454.61 130In Stock	Mfr. Part No. 3401.01.A Mouser Part No 455-340101A	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	130In Stock	$454.61 View Quote	Min.: 1 Mult.: 1
Fuse Clips 3AG Clip Brass & Nickel Plated 01010002Z Littelfuse 1: $0.571 233,623In Stock	Mfr. Part No. 01010002Z Mouser Part No 576-01010002Z	Littelfuse	Fuse Clips 3AG Clip Brass & Nickel Plated Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	233,623In Stock	$0.571 $0.528 $0.438 $0.405 View $0.364 $0.336 $0.309 $0.282	Min.: 1 Mult.: 1
Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603 F0603G0R03FNTR KYOCERA AVX 1: $1.58 85,695In Stock	Mfr. Part No. F0603G0R03FNTR Mouser Part No 581-F0603G0R03FNTR	KYOCERA AVX	Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603	Datasheet	85,695In Stock	Cut Tape $1.58 $1.25 $1.06 $0.917 Reel $0.594 View $0.824 $0.76 $0.70 $0.563 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms PTCEL13R121MBE Vishay / BC Components 1: $3.50 17,955In Stock	Mfr. Part No. PTCEL13R121MBE Mouser Part No 594-PTCEL13R121MBE	Vishay / BC Components	PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms Learn More about Vishay / BC Components vishay ptcel ptc thermistors	Datasheet	17,955In Stock	$3.50 $3.10 $2.52 $2.34 View $2.04 $1.96 $1.80 $1.70 $1.66	Min.: 1 Mult.: 1
Varistors 1206 30V 200A 500pF B72520T300K62 TDK 1: $0.449 103,039In Stock	Mfr. Part No. B72520T300K62 Mouser Part No 871-B72520T300K62	TDK	Varistors 1206 30V 200A 500pF Learn More about TDK epcosvaristors	Datasheet	103,039In Stock	Cut Tape $0.449 $0.311 Reel $0.29 $0.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors High Surge MLV Max Op VRMS 50 B72540T6500K062 TDK 1: $4.66 8,509In Stock	Mfr. Part No. B72540T6500K062 Mouser Part No 871-B72540T6500K062	TDK	Varistors High Surge MLV Max Op VRMS 50 Learn More about TDK ctvs varistors	Datasheet	8,509In Stock	Cut Tape $4.66 $3.51 $3.21 $2.90 Reel $2.62 View $2.75 $2.50 $2.45 $2.41 MouseReel Available	Min.: 1 Mult.: 1 : 600
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF24A-HE3_A08 Vishay Semiconductors 1: $0.925 23,470In Stock	Mfr. Part No. SMF24A-HE3_A08 Mouser Part No 78-SMF24A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	23,470In Stock	Cut Tape $0.925 $0.581 $0.371 $0.277 Reel $0.192 View $0.224 $0.189 $0.16 $0.139	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB SMF36A-HE3_A08 Vishay Semiconductors 1: $0.925 26,905In Stock	Mfr. Part No. SMF36A-HE3_A08 Mouser Part No 78-SMF36A-HE3A08	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB	Datasheet	26,905In Stock	Cut Tape $0.925 $0.581 $0.371 $0.277 Reel $0.192 View $0.224 $0.189 $0.16 $0.152	Min.: 1 Mult.: 1 : 3,000

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Circuit Protection

Types of Circuit Protection